jazmyn22 jazmyn22

01-09-2016
Mathematics

contestada

y=2x-3

y=x^2+9
write an equation for the inverse of the relation

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nobillionaireNobley nobillionaireNobley

04-09-2016

y = 2x - 3
2x = y + 3
x = (y + 3)/2
Therefore, inverse is y = (x + 3)/2

y = x^2 + 9
x^2 = y - 9
x = sqrt(y - 9)
Therefore, inverse is y = sqrt(x - 9)

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